75,000 volumes of Congressional Hearings are being digitalized by Google into Adobe Acrobat PDF files. The three categories are: Census, Freedom of Information/Privacy, and Immigration.
Since the primary objective is to get books online as quickly as possible, there may be occasional duplicate or missing pages. Click on the blue title above to link to website. (After you're there - click on Census, Freedom of information, etc. - then choose your desired PDF.)